8226228 has 12 divisors (see below), whose sum is σ = 19194560. Its totient is φ = 2742072.

The previous prime is 8226209. The next prime is 8226271.

8226228 is nontrivially palindromic in base 10.

It is a tau number, because it is divible by the number of its divisors (12).

It is an Ulam number.

It is a junction number, because it is equal to n+sod(n) for n = 8226195 and 8226204.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 342748 + ... + 342771.

Almost surely, 2^8226228 is an apocalyptic number.

It is an amenable number.

8226228 is an abundant number, since it is smaller than the sum of its proper divisors (10968332).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

8226228 is a wasteful number, since it uses less digits than its factorization.

8226228 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 685526 (or 685524 counting only the distinct ones).

The product of its digits is 6144, while the sum is 30.

The square root of 8226228 is about 2868.1401639390. The cubic root of 8226228 is about 201.8677368332.

The spelling of 8226228 in words is "eight million, two hundred twenty-six thousand, two hundred twenty-eight".